Home / 396,055.94-546,586.12-226,286.42

Finding the Fourth Proportional to 396,055.94, 546,586.12 and 226,286.42

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Solution

The fourth proportional to 396,055.94, 546,586.12 and 226,286.42 is: 312,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,055.94 : 546,586.12 = 226,286.42 : x
  2. Step 2: Convert to fraction form
    396,055.94/546,586.12 = 226,286.42/x
  3. Step 3: Cross multiply
    396,055.94x = 546,586.12 × 226,286.42
  4. Step 4: Simplify right side
    396,055.94x = 123,685,016,316.49
  5. Step 5: Solve for x
    x = 123,685,016,316.49/396,055.94
  6. Step 6: Final answer
    x = 312,291.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.